One of the most important but one of the most difficult things for a powerful mind is to be its own master.

One of the most important but one of the most difficult things for a powerful mind is to be its own master.

对于一个强大的心灵来说，最重要也是最困难的事情之一就是成为自己的主人。

-- Joseph Addison 约瑟夫·艾迪生